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Forum Index : Microcontroller and PC projects : CMM2: Workflows

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matherp
Guru

Joined: 11/12/2012
Location: United Kingdom
Posts: 4738
Posted: 10:15am 22 Feb 2021
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Works as an SDcard but as soon as you use WIFI stops working as an SDcard and never works again without removing replacing. WebDAV implementation itself is unreliable and probably beyond the scope of the ESP8266 to implement properly
 
rootadm79
Newbie

Joined: 15/02/2021
Location: Czech Republic
Posts: 3
Posted: 08:48pm 22 Feb 2021
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I use for transfering and backup my files from CMM2 Napoleon commander by Jirsoft. Connect to PC over wifi ESP8266 (need modem firmware from same source). Transfer speed is over 600kbit and stable. PC working as server and python script can run on all platform. I writing in CMM2 internal editor (sometime is uncomfortable look to other files or .inc), but i like too much this simple world CMM2. After almost 30 years  as software developer is for me work with CMM2 similar as relax on fishing.  
 
Nimue

Senior Member

Joined: 06/08/2020
Location: United Kingdom
Posts: 218
Posted: 12:27am 23 Feb 2021
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  rootadm79 said  After almost 30 years  as software developer is for me work with CMM2 similar as relax on fishing.  


That sentiment sums up exactly why the CMM2 platform works for me on all levels.

Nim
 
Plasmamac

Senior Member

Joined: 31/01/2019
Location: Germany
Posts: 116
Posted: 03:37am 23 Feb 2021
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  matherp said  QUOTE]BUT - it seems to be a little buggy
FYsetec SD-WIFI


Tried it - doesn't work - please don't waste your money

to late   i ordered weeks ago .
Edited 2021-02-23 13:38 by Plasmamac
Plasma
 
bigfix
Regular Member

Joined: 20/02/2014
Location: Austria
Posts: 92
Posted: 10:33am 23 Feb 2021
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  Quote  to late   i ordered weeks ago .


Plasma, Dennis in Germany has just developed another version of WEBdav on ESP8266
It does not support SD Cards, it gives only access to ESP internal storage with LittleFS

German WEBdav Project

Github Page

Maybe you donate your module to him and if he likes the challenge he could add the function to access the SD card with a FAT Filesystem
I am happy to share the cost with you if this works out

I still think this WEBdav enabled SD Card would be a nice addition for many embedded systems and other devices like 3D printers

With the high endurance SD card I mentioned in the Armmite thread, even regular information exchange should not be an issue
 
Plasmamac

Senior Member

Joined: 31/01/2019
Location: Germany
Posts: 116
Posted: 04:53pm 23 Feb 2021
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@Bigfix

I still think this WEBdav enabled SD Card would be a nice addition for many embedded systems and other devices like 3D printers

same here . if it will come in here i will try some things with  and ask the Dennis.

maybe he can help. btw thx for the links
Plasma
 
johnd
Newbie

Joined: 22/10/2020
Location: United States
Posts: 30
Posted: 09:29pm 23 Feb 2021
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Most 3D Printers can already use WIFI enabled SD cards, or have the ability to use it if they can update to the Marlin firmware.  I'm not sure what the differences are between the 3D printer controllers and the SD card unit hardware, and how it's setup on the CMM2.

Here is a link to an instructable for getting the Marlin fireware to utilize WIFI on SD cards.  It's under STEP 2 in the instructions.  https://www.instructables.com/3D-Printing-Over-SD-Card-Wi-Fi-Hack/
 
matherp
Guru

Joined: 11/12/2012
Location: United Kingdom
Posts: 4738
Posted: 10:41pm 23 Feb 2021
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That code, while it may work, is just nonsense. Sending data to an SPI device when chip select is high makes absolutely no sense and to me shows the wifi cards are not fit for purpose
 
Plasmamac

Senior Member

Joined: 31/01/2019
Location: Germany
Posts: 116
Posted: 09:37am 06 Mar 2021
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hi ;

got my SD-Wifi card yesterday .
the idea behind is fine but the modul is  full of bugs.
sometimes it cant read the sd  card , sometimes it stucks between the transfer.

iam not happy with.

@bigfix  i call Dennis next week , maybe he can help because iam no esp guru
Plasma
 
bigfix
Regular Member

Joined: 20/02/2014
Location: Austria
Posts: 92
Posted: 10:18am 06 Mar 2021
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Peter noted recently in the Armmite thread:

  Quote  ArmmiteF4 uses SDIO rather than SPI to drive the SDcard and doesn't use CD


This means that the SD-Wifi mechanism may not work there at all ??
As far as I remember, it intercepts only the SPI access method

I do not know what Mites use SDIO vs SPI for SD access ?
Same may apply for other SD based devices
 
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